... 3 Standard: GB62, DIN315 4 Non-standard custom made Specification:Stainless steel Wing NutA full range of sizes and various nuts are ... stainless steel, carbon steelSurface Treatment: Passivated and very brightStandards: BS, GB, DIN, ANSI, JIN and Non-standardsSize: M4-M24 316 Stainless steel Wing Nut Set ...